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XmlElement.RemoveAttributeAt Method

.NET Framework 4

Removes the attribute node with the specified index from the element. (If the removed attribute has a default value, it is immediately replaced).

Namespace: System.Xml
Assembly: System.Xml (in System.Xml.dll)

Syntax

C++

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public virtual XmlNode RemoveAttributeAt(
	int i
)

Parameters

i: Type: System.Int32
The index of the node to remove. The first node has index 0.

Return Value

Type: System.Xml.XmlNode
The attribute node removed or null if there is no node at the given index.

Remarks

This method is a Microsoft extension to the Document Object Model (DOM).

Examples

The following example removes an attribute from an element.

C++

Copy


using System;
using System.IO;
using System.Xml;

public class Sample
{
  public static void Main()
  {

    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "</book>");

    XmlElement root = doc.DocumentElement;

    // Remove the genre attribute.
    root.RemoveAttributeAt(0);

    Console.WriteLine("Display the modified XML...");
    Console.WriteLine(doc.InnerXml);

  }
}

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

XmlElement Class

System.Xml Namespace

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Sample Using PowerShell

<#
.SYNOPSIS
    This script removed an an attribute from an XML element.
.DESCRIPTION
    This script creates an XML document, then removes an
    Attribute using the RemoveAttributeAt method.
.NOTES
    File Name  : Remove-XMLAttributeAt.ps1
    Author     : Thomas Lee - tfl@psp.co.uk
    Requires   : PowerShell Version 2.0
.LINK
    This script posted to: http://www.pshscripts.blogspot.com
    MSDN Sample posted at: http://msdn.microsoft.com/en-us/library/system.xml.xmlelement.removeattributeat.aspx
.EXAMPLE
    PSH [C:\foo]: .\Remove-XMLAttrivuteAt.ps1'
    Display the initial XML...
    <book genre="novel" ISBN="1-861001-57-5"><title>Pride And Prejudice</title></book>
    Display the modified XML...
    <book ISBN="1-861001-57-5"><title>Pride And Prejudice</title></book>
#>

# Create and load an XML Document
$Doc = New-Object System.Xml.XmlDocument
$Doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "</book>")


# Set root
$Root = $Doc.DocumentElement


# Display initial XML
"Display the initial XML..."
$Doc.InnerXml


# Remove the genre attribute
$Return = $Root.RemoveAttributeAt(0)




# Display result
"Display the modified XML..."
$Doc.InnerXml

History

6/28/2010
Thomas Lee

6/30/2010
Thomas Lee